An archer shoots 6 arrows at a target. some arrows hit
the 9 point ring, and the rest hit the 10 point bull's-eye, write an
equation that gives the scores as a function of the number a of
arrows that hit the 9 point ring. then find the score if 2 arrows
hit the 9 point ring,

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year. how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Which value is not a solution of 8x^3 – 1 = 0

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?